The Comparative Analysis :
Mercedes S 450 7G-TRONIC (06 - 09) vs. Mercedes S 400 d 4MATIC 9G-TRONIC (17 - ..)
€ 83,700
€ 94,200
€ 83,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 94,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The S 450 is a little smaller in every dimension. It's 1.8 inches shorter, 1.1 inches narrower and 0.9 inches lower than the S 400 d.
S 450
S 400 d
58
73.7
83.5
58.9
74.8
83.9
73.7 in
Width
74.8 in
83.5 in
Width Incl. Mirrors
83.9 in
58 in
Height
58.9 in
119.5
200
119.5
201.8
200 in
Length
201.8 in
119.5 in
Wheelbase
119.5 in
Vehicle Weight
S 450
S 400 d
4277 lb
Curb Weight
4542 lb
5611 lb
Gross Vehicle
Weight
Weight
6085 lb
Weight Difference:
265 lb
5.84 %
General
S 450
S 400 d
W221
Generation
W222/X222
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
S 450
S 400 d
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-six diesel engine with turbocharger
Mercedes-Benz M 273
Engine Series
Mercedes-Benz OM 656
M 273.922
Engine Code
OM 656.929
4
Valves
4
8
Cylinders
6
4.7 L / 230 cu in
Displacement
2.9 L / 142 cu in
335 hp
at 6000 rpm
Power
335 hp
at 3600 rpm
S 450
335 hp
335 hp
S 400 d
339 lb‑ft
at 2700 rpm
Max. Torque
516 lb‑ft
at 1200 rpm
S 450
339 lb‑ft
516 lb‑ft
S 400 d
Performance
S 450
S 400 d
155 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
269 ft
0.000 sec
S 450
62 mph
62
mph
mph
236 ft
0.000 sec
S 400 d
▶ REPLAY
12.77 lb/hp
Weight-to-Power Ratio
13.56 lb/hp
S 450
12.77 lb/hp
13.56 lb/hp
S 400 d
Fuel Economy / Emissions
S 450
S 400 d
Fuel Economy
21 mpg
combined
42 mpg
S 450
21 mpg
42 mpg
S 400 d
14 mpg
city
35 mpg
29 mpg
highway
49 mpg
23.8 gal
Fuel Tank Capacity
18.5 gal
500 mi
Range
777 mi
S 450
500 mi
777 mi
S 400 d
Environmental Impact
212.1 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
115.2 kWh
S 450
212.1 kWh
115.2 kWh
S 400 d
Euro 4 III
Emission Standard
Euro 6
430 g/mi (NEFZ)
CO2 Emissions
237 g/mi (NEFZ)
Practical Convenience
S 450
S 400 d
4
Doors
4
5
No. of Seats
5
1334 lb
Maximum Payload
1543 lb
15.9 cu ft
Trunk Volume
14.4 cu ft
No data
Cargo Volume (Seats Down)
No data
